Clinical observation of laparoscopic seromuscular dissection in the treatment of gastric stromal tumors

Figures & data

Figure 1. The inclusion and exclusion process.

Figure 2. (a) Confirmation of the tumor location by laparoscopy. (b) Accurate dissection of the tumor along the pseudocapsule by scalpel. (c) The tumor was completely removed.

Table 1. Comparative analysis of clinical and pathological features between LSD group and non-LSD group.

	LSD	Non-LSD	t/χ^2 /Z	p Value
Gender[n(%)]			2.760	>0.05
Male	27(45.8)	32(54.2)
Female	40(60.6)	26(39.4)
Age (y)	61.00 ± 12.75	56.91 ± 11.95	1.839	>0.05
Tumor types
Intraluminal type	06(09.0)	09(15.5)	1.268	>0.05
Extraluminal type	61(91.0)	49(84.5)
Tumor location [n(%)]			0.012	>0.05
Difficult parts	34(53.1)	30(46.9)
Non-difficult areas	33(54.1)	28(54.9)
Maximum tumor diameter (cm)	4.44 ± 2.85	5.16 ± 3.73	−1.226	>0.05
Relapse after surgery [n(%)]	0	0
Post-operative complications [n(%)]	0	1

Table 2. Comparative analysis of perioperative data features between LSD group and non-LSD group.

	LSD	Non-LSD	t/χ^2 /Z	p Value
Intraoperative bleeding (ml)	26.60 ± 43.40	83.31 ± 153.03	−3.041	<0.05
Number of cutting staplers (n)	1.07 ± 0.91	1.76 ± 1.29	−3.379	<0.05
Operating time (min)	121.75 ± 44.58	135.07 ± 68.45	−1.305	>0.05
Post-operative hospital stay (days)	6.30 ± 3.29	9.84 ± 6.54	−3.731	<0.05

Table 3. Comparative analysis of LSD and non-LSD in the treatment of gastric stromal tumors located in ‘difficult sites’.

	LSD	Non-LSD	t/χ^2 /Z	p Value
Intraoperative bleeding (ml)	22.26 ± 31.12	91.33 ± 167.32	−2.633	<0.05
Number of cutting staplers (n)	1.03 ± 0.97	1.93 ± 1.48	−2.844	<0.05
Operating time (min)	127.71 ± 45.37	153.27 ± 82.01	−1.567	>0.05
Post-operative hospital stay (days)	5.71 ± 3.70	11.33 ± 8.19	−3.548	<0.05